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Symbol
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PRM on NYSE
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Investment type
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Equity / Common Stock
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Latest Disclosed Shares Owned
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9,309,341 shares
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Security Ownership %
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5.7%
William N. Thorndike, Jr. ownership in Perimeter Solutions, Inc. Common Stock (PRM)
10 Mar 2026 - William N. Thorndike, Jr. has filed an SCHEDULE 13D form with the Securities and Exchange Commission (SEC) disclosing ownership of 9,309,341 shares of Perimeter Solutions, Inc. Common Stock (PRM).
This represents 5.7% ownership of the company.
This is the first filing by William N. Thorndike Jr. disclosing ownership of Perimeter Solutions, Inc. Common Stock (PRM).